Difference between revisions of "Venous lake"
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{{ Infobox diagnosis | {{ Infobox diagnosis | ||
| Name = {{PAGENAME}} | | Name = {{PAGENAME}} | ||
| Image = | | Image = Venous_lake_--_very_low_mag.jpg | ||
| Width = | | Width = | ||
| Caption = | | Caption = Venous lake. [[H&E stain]]. (WC) | ||
| Synonyms = | | Synonyms = | ||
| Micro = | | Micro = | ||
| Line 13: | Line 13: | ||
| Molecular = | | Molecular = | ||
| IF = | | IF = | ||
| Gross = classical lip | | Gross = classical location: lip | ||
| Grossing = | | Grossing = | ||
| Staging = | | Staging = | ||
| Line 20: | Line 20: | ||
| Syndromes = | | Syndromes = | ||
| Clinicalhx = | | Clinicalhx = | ||
| Signs = dark purple spot, blanches with pressure | | Signs = dark blue/purple spot, blanches with pressure | ||
| Symptoms = | | Symptoms = | ||
| Prevalence = common | | Prevalence = common | ||
| Line 55: | Line 55: | ||
**Longer rete ridges. | **Longer rete ridges. | ||
*[[Cherry hemangioma]].<ref name=Ref_Derm551>{{Ref Derm|551}}</ref> | *[[Cherry hemangioma]].<ref name=Ref_Derm551>{{Ref Derm|551}}</ref> | ||
===Images=== | |||
<gallery> | |||
Image: Venous lake -- very low mag.jpg | VL - very low mag. (WC) | |||
Image: Venous lake -- low mag.jpg | VL - low mag. (WC) | |||
</gallery> | |||
==Sign out== | ==Sign out== | ||
Latest revision as of 03:06, 23 November 2016
| Venous lake | |
|---|---|
| Diagnosis in short | |
 Venous lake. H&E stain. (WC) | |
| LM DDx | angiokeratoma, cherry hemangioma |
| Gross | classical location: lip |
| Signs | dark blue/purple spot, blanches with pressure |
| Prevalence | common |
| Prognosis | benign |
Venous lake is a benign skin lesion.
General
- Dilated vein.
Clinical:
- Blanches with pressure.[1]
Gross
- Purple/blue spot.
Microscopic
Features:[2]
- Lined by endothelium.
- Blood in lumen.
- +/-Fibrin in lumen.
- +/-Solar elastosis - very common.[3]
DDx:
- Angiokeratoma.
- Ectatic superficial dermal vessels.
- Irregular acanthosis.
- Longer rete ridges.
- Cherry hemangioma.[3]
Images
VL - very low mag. (WC)
VL - low mag. (WC)
Sign out
Left Lower Lip Lesion, Excision:
- Benign subcutaneous tissue with venous lake.
- NEGATIVE for malignancy.
Block letters
SKIN LESION, RIGHT CHEEK, BIOPSY: - VENOUS LAKE. - SOLAR ELASTOSIS. - NEGATIVE FOR NEVUS.
Micro
The sections show subcutaneous tissue with dilated vascular spaces. No significant atypia is seen. No overlying skin is present.
See also
References
- ↑ URL: http://dermatlas.med.jhmi.edu/derm/IndexDisplay.cfm?ImageID=-969536424. Accessed on: 13 August 2012.
- ↑ Weedon's Skin Pathology. 3rd Ed. P.895.
- ↑ 3.0 3.1 Busam, Klaus J. (2009). Dermatopathology: A Volume in the Foundations in Diagnostic Pathology Series (1st ed.). Saunders. pp. 551. ISBN 978-0443066542.